Asteroid General Data

2021 SF₂

General information

Preliminary designation	2021 SF₂
Group	Amor
Absolute magnitude	24.25
Approximate diameter (m)	38
Approximate mass (kg)	9.68·10⁷
Number of observations	22
Arc length (days)	13

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	171.143860
a – orbit major semiaxis (astronomical units)	2.23253700
e – orbit eccentricity	0.46015600
ω – orbit ascending node-perihelion angle (degrees)	27.943402
Ω – longitude of orbit ascending node (degrees)	354.229059
i – orbit inclination to the ecliptic plane (degrees)	2.095549

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	109.861049	2.23356474	0.46004810	22.627879	357.859150	2.255801	1.20601753	3.338093
01/21/1858	356.881111	2.23397892	0.45893444	23.341808	357.350921	2.233634	1.20872905	3.339022
01/29/1887	244.834222	2.23426895	0.45932948	24.437651	356.704342	2.201747	1.20800336	3.339672
02/07/1916	133.242685	2.23452798	0.46019387	24.980007	356.278778	2.185149	1.20621189	3.340253
02/14/1945	20.461502	2.23444482	0.45973257	25.527889	355.811766	2.167087	1.20719777	3.340066
02/22/1974	265.858583	2.23423399	0.45918453	26.754185	355.090335	2.132182	1.20830830	3.339593
03/02/2003	152.798678	2.23319669	0.45981946	27.396985	354.628290	2.112842	1.20632939	3.337268
03/09/2032	41.324309	2.23509354	0.45811509	28.317944	353.969887	2.085280	1.21116346	3.341521
03/17/2061	288.407218	2.23591903	0.45836946	29.122957	353.439757	2.063459	1.21104203	3.343372
03/25/2090	173.941293	2.23543713	0.45969807	29.957936	352.811715	2.043439	1.20781100	3.342291
04/03/2119	57.984581	2.23581537	0.45903005	30.876499	352.127929	2.020966	1.20950893	3.343140
04/10/2148	302.462231	2.23429413	0.46025874	31.900853	351.486663	1.994152	1.20594073	3.339728
04/18/2177	186.247917	2.23691055	0.46003665	32.668530	350.832686	1.977708	1.20784972	3.345596

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